ARM Electronics IP540_620MDVANVP - Manual (Page 33)

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IP540/IP620MDVAIVP /825/825 supports “dual-streaming’ setting. Users can configure two different video
setting value.
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Dual-Streaming: proprietary encoder chip, CT6002 is embedded into IP540/IP620MDVAIVP. CT6002
enables users to configure two different video setting from one analog video source.
Dual-streaming function can be used in two ways as follows.
1) Bandwidth: Clients have various network bandwidths to access IP540/IP620MDVAIVP. If clients use
broadband, they never have problem with achieving live images from IP540/IP620MDVAIVP. But if they don’t,
live images cannot be viewed smoothly. For smooth video images for clients using not only broadband but also
narrowband, IP540/IP620MDVAIVP can be configured as two different video setting.
For example, you can set ‘dual-streaming’ as follows;
For broadband users: 704X480, 30fps, VBR, High Quality
For narrowband users: 352X240, 7fps, CBR, 100kbps
2) Preference between image quality and video smoothness: Video setting will affect the performance of
IP540/IP620MDVAIVP, depending on the usage and the available bandwidth.
z High resolution generates larger files
z Lower compression improves image quality, but generates larger files.
z Black & White uses less bandwidth than color.
z Rotating the image 90 or 270 degrees will lower the maximum frame rate.
Under certain circumstance with fixed bandwidth, some clients prefer image quality to video smoothness and
others, the reverse. Dual-streaming can be set as follows;
For better image quality: 704X480, 7fps, VBR, High Quality
For better video smoothness: 320X240, 30fps, CBR, 200kbps
To return to Default of ex-factory condition, click ‘Default’ of ‘Video Default Setting’ in [Pic.4-15],
4.3.2 Audio Setting
For one way audio communication, check ‘Audio Enable (Server -> Client)’ of [Pic.4-16], And for two way
audio communication, check ‘Interactive Audio Enable (Server -> Client)’. In case Audio is not used , check
‘Disable’. Then click ‘Save’ to save Set value.
For adjustment of audio volume, select in ‘Audio Volume Setting’ and save in [Pic.4-16].
Pic. 4―16 Audio and Volume Setting